======================================
| xx__-> [   10.590819][  T185] ------------[ cut here ]------------
| [   10.591079][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/185
| [   10.591407][  T185] Modules linked in: veth
| [   10.591940][  T185] Tainted: [W]=WARN
[   10.592101][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.592379][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.592691][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.593454][  T185] RSP: 0018:ffa00000008b6e30 EFLAGS: 00010286
[   10.593659][  T185] RAX: 00000000ffffffa6 RBX: ff1100000adb3540 RCX: 1ff4000000116d8c
[   10.593900][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000adb35f8
[   10.594126][  T185] RBP: ff11000009c44000 R08: 1fe22000015b66c0 R09: ff1100000d1f2e80
[   10.594342][  T185] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.594564][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b1ff880
[   10.594783][  T185] FS:  00007fcf8a910840(0000) GS:ff11000094230000(0000) knlGS:0000000000000000
[   10.595044][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.595228][  T185] CR2: 000055d5f3576cf0 CR3: 000000000d3d9001 CR4: 0000000000771ef0
[   10.595444][  T185] PKRU: 55555554
[   10.595560][  T185] Call Trace:
[   10.595689][  T185]  <TASK>
[   10.595765][  T185]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.595978][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.596146][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.596257][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.596403][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.596551][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   10.596694][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.596836][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   10.596999][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.597144][  T185]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.597290][  T185]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.597432][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.597578][  T185]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.597719][  T185]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.597864][  T185] veth_newlink (drivers/net/veth.c:1871) veth
[   10.598010][  T185]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.598185][  T185]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.598328][  T185]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.598468][  T185]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.598633][  T185]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.598774][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.598945][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.599089][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.599234][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.599376][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.599523][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.599663][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.599804][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.599957][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.600104][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.600249][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.600389][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.600534][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.600674][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.600814][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.601030][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.601193][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.601337][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.601477][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.601772][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.601991][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.602154][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.602298][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.602441][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.602721][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.602879][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.603024][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.603175][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.603323][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.603469][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.603744][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.603892][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.604032][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.604178][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.604325][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.604491][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.604757][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.604937][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   10.605081][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   10.605224][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.605368][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.605655][  T185]  __sys_sendmsg (net/socket.c:2784)
[   10.605797][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.605979][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.606125][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.606268][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.606409][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.606671][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.606821][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.606969][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.607119][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.607263][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.607439][  T185] RIP: 0033:0x7fcf8ab4a08e
[   10.607719][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.608315][  T185] RSP: 002b:00007ffc2527ab90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.608640][  T185] RAX: ffffffffffffffda RBX: 00007ffc2527b328 RCX: 00007fcf8ab4a08e
[   10.608864][  T185] RDX: 0000000000000000 RSI: 00007ffc2527ac40 RDI: 0000000000000005
[   10.609085][  T185] RBP: 00007ffc2527aba0 R08: 0000000000000000 R09: 0000000000000000
[   10.609298][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc72
[   10.609583][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2527b300
| [   10.631971][  T185] ------------[ cut here ]------------
| [   10.632172][  T185] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/185
| [   10.632420][  T185] Modules linked in: veth
| [   10.632835][  T185] Tainted: [W]=WARN
[   10.632948][  T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.633127][  T185] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.633315][  T185] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.633897][  T185] RSP: 0018:ffa00000008b71b0 EFLAGS: 00010286
[   10.634077][  T185] RAX: 00000000ffffffa6 RBX: ff11000009c6c900 RCX: 1ff4000000116dfc
[   10.634286][  T185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009c6c9b8
[   10.634495][  T185] RBP: ff11000009614000 R08: 1fe220000138d938 R09: ff1100000d1f2e80
[   10.634765][  T185] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.635025][  T185] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.635255][  T185] FS:  00007fcf8a910840(0000) GS:ff11000094230000(0000) knlGS:0000000000000000
[   10.635511][  T185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.635731][  T185] CR2: 000055d5f3576cf0 CR3: 000000000d3d9001 CR4: 0000000000771ef0
[   10.635954][  T185] PKRU: 55555554
[   10.636062][  T185] Call Trace:
[   10.636169][  T185]  <TASK>
[   10.636244][  T185]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.636397][  T185]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.636510][  T185]  __dev_notify_flags (net/core/dev.c:9787)
[   10.636671][  T185]  ? netif_change_name (net/core/dev.c:1495)
[   10.636814][  T185]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.636968][  T185]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.637116][  T185]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.637261][  T185]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.637406][  T185]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.637578][  T185]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.637717][  T185]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.637868][  T185]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.638021][  T185]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.638168][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.638313][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.638455][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.638599][  T185]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.638737][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.638901][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.639051][  T185]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.639190][  T185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.639329][  T185]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.639538][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.639743][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.639908][  T185]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.640060][  T185]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.640201][  T185]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.640345][  T185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.640485][  T185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.640636][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.640775][  T185]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.640922][  T185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.641067][  T185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.641214][  T185]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.641362][  T185]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.641502][  T185]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.641661][  T185]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.641806][  T185]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.641951][  T185]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.642093][  T185]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.642268][  T185]  ? move_addr_to_kernel (net/socket.c:258)
[   10.642412][  T185]  ___sys_sendmsg (net/socket.c:2752)
[   10.642563][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.642705][  T185]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.642866][  T185]  __sys_sendmsg (net/socket.c:2784)
[   10.643013][  T185]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.643154][  T185]  ? down_write_nested (kernel/locking/rwsem.c:1753)
[   10.643300][  T185]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.643451][  T185]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.643598][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.643739][  T185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.643884][  T185]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.644025][  T185]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.644172][  T185]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.644317][  T185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.644502][  T185] RIP: 0033:0x7fcf8ab4a08e
[   10.644659][  T185] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.645170][  T185] RSP: 002b:00007ffc2527ab90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.645391][  T185] RAX: ffffffffffffffda RBX: 00007ffc2527b328 RCX: 00007fcf8ab4a08e
[   10.645643][  T185] RDX: 0000000000000000 RSI: 00007ffc2527ac40 RDI: 0000000000000005
[   10.645856][  T185] RBP: 00007ffc2527aba0 R08: 0000000000000000 R09: 0000000000000000
[   10.646072][  T185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc72
[   10.646286][  T185] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2527b300
| [   10.820484][  T191] ------------[ cut here ]------------
| [   10.820839][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/191
| [   10.821242][  T191] Modules linked in: veth
| [   10.821883][  T191] Tainted: [W]=WARN
[   10.822056][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.822333][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.822647][  T191] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.823438][  T191] RSP: 0018:ffa0000000896e30 EFLAGS: 00010286
[   10.823734][  T191] RAX: 00000000ffffffa6 RBX: ff1100000c353e00 RCX: 1ff4000000112d8c
[   10.824069][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c353eb8
[   10.824402][  T191] RBP: ff1100000c1d1000 R08: 1fe220000186a7d8 R09: ff1100000cc62e80
[   10.824738][  T191] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.825074][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000919c780
[   10.825407][  T191] FS:  00007f2efc916840(0000) GS:ff11000094230000(0000) knlGS:0000000000000000
[   10.825802][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.826085][  T191] CR2: 000000000042ebe0 CR3: 000000000d3bc004 CR4: 0000000000771ef0
[   10.826423][  T191] PKRU: 55555554
[   10.826704][  T191] Call Trace:
[   10.826970][  T191]  <TASK>
[   10.827082][  T191]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[   10.827300][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.827591][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.827758][  T191]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.827984][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[   10.828207][  T191]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.828430][  T191]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   10.828657][  T191]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   10.828885][  T191]  ? netif_change_name (net/core/dev.c:1495)
[   10.829106][  T191]  ? common_interrupt (arch/x86/kernel/irq.c:326 (discriminator 39))
[   10.829326][  T191]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.829564][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.829790][  T191] veth_newlink (drivers/net/veth.c:1871) veth
[   10.830020][  T191]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   10.830300][  T191]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.830531][  T191]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.830754][  T191]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.831010][  T191]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.831230][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.831454][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.831682][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.831913][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.832139][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.832363][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.832589][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.832805][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.833033][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.833255][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.833469][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.833682][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.833905][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.834119][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.834333][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.834566][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.834776][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.834988][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.835200][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.835416][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.835639][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.835858][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.836068][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.836282][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.836496][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.836720][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.836948][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.837167][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.837392][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.837621][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.837843][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.838074][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.838298][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.838529][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.838760][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.838988][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.839210][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.839484][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[   10.839723][  T191]  ___sys_sendmsg (net/socket.c:2752)
[   10.839954][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.840176][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.840418][  T191]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.840651][  T191]  __sys_sendmsg (net/socket.c:2784)
[   10.840876][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.841105][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.841327][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.841556][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.841780][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.842004][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.842226][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.842500][  T191] RIP: 0033:0x7f2efcb5008e
[   10.842743][  T191] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.843535][  T191] RSP: 002b:00007fff74b53560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.843872][  T191] RAX: ffffffffffffffda RBX: 00007fff74b53cf8 RCX: 00007f2efcb5008e
[   10.844200][  T191] RDX: 0000000000000000 RSI: 00007fff74b53610 RDI: 0000000000000005
[   10.844533][  T191] RBP: 00007fff74b53570 R08: 0000000000000000 R09: 0000000000000000
[   10.844867][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc73
[   10.845200][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff74b53cd0
| [   10.889278][  T191] ------------[ cut here ]------------
| [   10.889481][  T191] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/191
| [   10.889739][  T191] Modules linked in: veth
| [   10.890235][  T191] Tainted: [W]=WARN
[   10.890367][  T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.890551][  T191] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.890765][  T191] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.891267][  T191] RSP: 0018:ffa00000008971b0 EFLAGS: 00010286
[   10.891441][  T191] RAX: 00000000ffffffa6 RBX: ff1100000ad1fe00 RCX: 1ff4000000112dfc
[   10.891658][  T191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ad1feb8
[   10.891875][  T191] RBP: ff1100000758c000 R08: 1fe22000015a3fd8 R09: ff1100000cc62e80
[   10.892098][  T191] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.892312][  T191] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.892550][  T191] FS:  00007f2efc916840(0000) GS:ff11000094230000(0000) knlGS:0000000000000000
[   10.892808][  T191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.892994][  T191] CR2: 000000000042ebe0 CR3: 000000000d3bc004 CR4: 0000000000771ef0
[   10.893261][  T191] PKRU: 55555554
[   10.893397][  T191] Call Trace:
[   10.893503][  T191]  <TASK>
[   10.893585][  T191]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.893728][  T191]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.893836][  T191]  __dev_notify_flags (net/core/dev.c:9787)
[   10.893981][  T191]  ? netif_change_name (net/core/dev.c:1495)
[   10.894124][  T191]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.894278][  T191]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.894425][  T191]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.894577][  T191]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.894721][  T191]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.894873][  T191]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.895044][  T191]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.895267][  T191]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.895428][  T191]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.895577][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.895720][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.895871][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.896036][  T191]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.896246][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.896452][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.896629][  T191]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.896789][  T191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.896942][  T191]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.897098][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.897253][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.897417][  T191]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.897616][  T191]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.897770][  T191]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.897938][  T191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.898100][  T191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.898264][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.898421][  T191]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.898594][  T191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.898748][  T191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.898901][  T191]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.899059][  T191]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.899256][  T191]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.899403][  T191]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.899558][  T191]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.899702][  T191]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.899849][  T191]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.900030][  T191]  ? move_addr_to_kernel (net/socket.c:258)
[   10.900179][  T191]  ___sys_sendmsg (net/socket.c:2752)
[   10.900369][  T191]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.900588][  T191]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.900821][  T191]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   10.901049][  T191]  __sys_sendmsg (net/socket.c:2784)
[   10.901201][  T191]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.901345][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.901486][  T191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.901639][  T191]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.901778][  T191]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.901925][  T191]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.902065][  T191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.902236][  T191] RIP: 0033:0x7f2efcb5008e
[   10.902381][  T191] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.902906][  T191] RSP: 002b:00007fff74b53560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.903117][  T191] RAX: ffffffffffffffda RBX: 00007fff74b53cf8 RCX: 00007f2efcb5008e
[   10.903325][  T191] RDX: 0000000000000000 RSI: 00007fff74b53610 RDI: 0000000000000005
[   10.903544][  T191] RBP: 00007fff74b53570 R08: 0000000000000000 R09: 0000000000000000
[   10.903750][  T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc73
[   10.903973][  T191] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff74b53cd0
| [   11.163759][  T209] ------------[ cut here ]------------
| [   11.163996][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/209
| [   11.164252][  T209] Modules linked in: veth
| [   11.164768][  T209] Tainted: [W]=WARN
[   11.164885][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.165069][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.165260][  T209] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.165840][  T209] RSP: 0018:ffa0000000846e30 EFLAGS: 00010286
[   11.166028][  T209] RAX: 00000000ffffffa6 RBX: ff1100000c353540 RCX: 1ff4000000108d8c
[   11.166242][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c3535f8
[   11.166471][  T209] RBP: ff11000004bb9000 R08: 1fe220000186a6c0 R09: ff1100000be60b80
[   11.166861][  T209] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.167082][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000094cc080
[   11.167303][  T209] FS:  00007fc4b0f5c840(0000) GS:ff11000094230000(0000) knlGS:0000000000000000
[   11.167566][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.167751][  T209] CR2: 000000000042ebe0 CR3: 000000000d373001 CR4: 0000000000771ef0
[   11.167975][  T209] PKRU: 55555554
[   11.168091][  T209] Call Trace:
[   11.168208][  T209]  <TASK>
[   11.168288][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.168441][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.168594][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.168715][  T209]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.168871][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   11.169028][  T209]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.169174][  T209]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   11.169332][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   11.169479][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.169654][  T209]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.169877][  T209]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.170037][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.170186][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.170330][  T209]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.170474][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.170626][  T209]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.170790][  T209]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.171014][  T209] veth_newlink (drivers/net/veth.c:1871) veth
[   11.171178][  T209]  ? veth_poll_controller (drivers/net/veth.c:1470) veth
[   11.171361][  T209]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.171508][  T209]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.171659][  T209]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.171820][  T209]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.172053][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.172205][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.172394][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.172574][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.172731][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.172884][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.173025][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.173167][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.173317][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.173469][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.173624][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.173769][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.173922][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.174063][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.174204][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.174365][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.174510][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.174658][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.174803][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.174962][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.175106][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.175250][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.175398][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.175550][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.175695][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.175838][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.175994][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.176139][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.176286][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.176430][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.176585][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.176728][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.176877][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.177026][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.177175][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.177321][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.177506][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.177696][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   11.177843][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   11.177991][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.178134][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.178286][  T209]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.178432][  T209]  __sys_sendmsg (net/socket.c:2784)
[   11.178583][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.178730][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.178877][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.179020][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.179164][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.179306][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.179448][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.179629][  T209] RIP: 0033:0x7fc4b119608e
[   11.179781][  T209] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.180332][  T209] RSP: 002b:00007fff8a31a360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.180558][  T209] RAX: ffffffffffffffda RBX: 00007fff8a31aaf8 RCX: 00007fc4b119608e
[   11.180773][  T209] RDX: 0000000000000000 RSI: 00007fff8a31a410 RDI: 0000000000000005
[   11.180992][  T209] RBP: 00007fff8a31a370 R08: 0000000000000000 R09: 0000000000000000
[   11.181207][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc73
[   11.181423][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8a31aad0
| [   11.198183][  T209] ------------[ cut here ]------------
| [   11.198403][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/209
| [   11.198692][  T209] Modules linked in: veth
| [   11.199195][  T209] Tainted: [W]=WARN
[   11.199310][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.199490][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.199690][  T209] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 38 e4 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 38 e4 f0 ff       	call   0xfffffffffff0e474
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 38 e4 f0 ff       	call   0xfffffffffff0e44a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.200299][  T209] RSP: 0018:ffa00000008471b0 EFLAGS: 00010286
[   11.200485][  T209] RAX: 00000000ffffffa6 RBX: ff1100000d712ac0 RCX: 1ff4000000108dfc
[   11.200707][  T209] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d712b78
[   11.200926][  T209] RBP: ff1100000b2d4000 R08: 1fe2200001ae2570 R09: ff1100000be60b80
[   11.201240][  T209] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   11.201475][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.201705][  T209] FS:  00007fc4b0f5c840(0000) GS:ff11000094230000(0000) knlGS:0000000000000000
[   11.201967][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.202224][  T209] CR2: 000000000042ebe0 CR3: 000000000d373001 CR4: 0000000000771ef0
[   11.202494][  T209] PKRU: 55555554
[   11.202614][  T209] Call Trace:
[   11.202722][  T209]  <TASK>
[   11.202800][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.202954][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.203063][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[   11.203261][  T209]  ? netif_change_name (net/core/dev.c:1495)
[   11.203449][  T209]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.203635][  T209]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.203784][  T209]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.203940][  T209]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.204081][  T209]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.204218][  T209]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.204356][  T209]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.204501][  T209]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.204649][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.204788][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.204932][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.205075][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.205212][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.205353][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.205496][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.205641][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.205778][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.205924][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.206064][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.206201][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.206341][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.206480][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.206625][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.206765][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.206913][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.207055][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.207196][  T209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.207359][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.207499][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.207644][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.207784][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.207929][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.208067][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.208207][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.208351][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.208489][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.208665][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[   11.208809][  T209]  ___sys_sendmsg (net/socket.c:2752)
[   11.208975][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.209113][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.209264][  T209]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   11.209404][  T209]  __sys_sendmsg (net/socket.c:2784)
[   11.209548][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.209690][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.209828][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.209971][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.210109][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.210246][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.210393][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.210572][  T209] RIP: 0033:0x7fc4b119608e
[   11.210719][  T209] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.211210][  T209] RSP: 002b:00007fff8a31a360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.211423][  T209] RAX: ffffffffffffffda RBX: 00007fff8a31aaf8 RCX: 00007fc4b119608e
[   11.211634][  T209] RDX: 0000000000000000 RSI: 00007fff8a31a410 RDI: 0000000000000005
[   11.211842][  T209] RBP: 00007fff8a31a370 R08: 0000000000000000 R09: 0000000000000000
[   11.212054][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cc73


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink